diff --git a/configure b/configure
index e5fb030..914668e 100755
--- a/configure
+++ b/configure
@@ -362,6 +362,10 @@ common_defaults()
 			mb_cflags_debug='-g3 -O0'
 		fi
 	fi
+
+	# inherited cflags & ldflags
+	mb_cflags_cmdline="$mb_cflags_cmdline $mb_cflags"
+	mb_ldflags_cmdline="$mb_ldflags_cmdline $mb_ldflags"
 }